Head mounted display device



FIG. 1 is a perspective view of a head mounted display device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a reference view thereof showing that the display part and earphone part can be moved up and down;

FIG. 9 is a reference view thereof showing the state that the user wears the subject design; and,

FIG. 10 is a reference view thereof showing the part of the head mounted display device which is consisted of transparent material by hatching.

The broken lines show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a head mounted display device, as shown and described. 